1 2 /* 3 * Copyright 2011 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 #ifndef SkNWayCanvas_DEFINED 10 #define SkNWayCanvas_DEFINED 11 12 #include "SkCanvas.h" 13 14 class SK_API SkNWayCanvas : public SkCanvas { 15 public: 16 SkNWayCanvas(int width, int height); 17 virtual ~SkNWayCanvas(); 18 19 virtual void addCanvas(SkCanvas*); 20 virtual void removeCanvas(SkCanvas*); 21 virtual void removeAll(); 22 23 /////////////////////////////////////////////////////////////////////////// 24 // These are forwarded to the N canvases we're referencing 25 26 virtual int save(SaveFlags) SK_OVERRIDE; 27 virtual int saveLayer(const SkRect* bounds, const SkPaint*, 28 SaveFlags) SK_OVERRIDE; 29 virtual void restore() SK_OVERRIDE; 30 virtual bool translate(SkScalar dx, SkScalar dy) SK_OVERRIDE; 31 virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE; 32 virtual bool rotate(SkScalar degrees) SK_OVERRIDE; 33 virtual bool skew(SkScalar sx, SkScalar sy) SK_OVERRIDE; 34 virtual bool concat(const SkMatrix& matrix) SK_OVERRIDE; 35 virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE; 36 virtual bool clipRect(const SkRect&, SkRegion::Op, bool) SK_OVERRIDE; 37 virtual bool clipRRect(const SkRRect&, SkRegion::Op, bool) SK_OVERRIDE; 38 virtual bool clipPath(const SkPath&, SkRegion::Op, bool) SK_OVERRIDE; 39 virtual bool clipRegion(const SkRegion& deviceRgn, 40 SkRegion::Op) SK_OVERRIDE; 41 virtual void clear(SkColor) SK_OVERRIDE; 42 virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE; 43 virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], 44 const SkPaint&) SK_OVERRIDE; 45 virtual void drawRect(const SkRect&, const SkPaint&) SK_OVERRIDE; 46 virtual void drawOval(const SkRect&, const SkPaint&) SK_OVERRIDE; 47 virtual void drawRRect(const SkRRect&, const SkPaint&) SK_OVERRIDE; 48 virtual void drawPath(const SkPath& path, const SkPaint&) SK_OVERRIDE; 49 virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, 50 const SkPaint*) SK_OVERRIDE; 51 virtual void drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, 52 const SkRect& dst, const SkPaint* paint, 53 DrawBitmapRectFlags flags) SK_OVERRIDE; 54 virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m, 55 const SkPaint*) SK_OVERRIDE; 56 virtual void drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, 57 const SkRect& dst, 58 const SkPaint* paint = NULL) SK_OVERRIDE; 59 virtual void drawSprite(const SkBitmap& bitmap, int left, int top, 60 const SkPaint*) SK_OVERRIDE; 61 virtual void drawText(const void* text, size_t byteLength, SkScalar x, 62 SkScalar y, const SkPaint&) SK_OVERRIDE; 63 virtual void drawPosText(const void* text, size_t byteLength, 64 const SkPoint pos[], const SkPaint&) SK_OVERRIDE; 65 virtual void drawPosTextH(const void* text, size_t byteLength, 66 const SkScalar xpos[], SkScalar constY, 67 const SkPaint&) SK_OVERRIDE; 68 virtual void drawTextOnPath(const void* text, size_t byteLength, 69 const SkPath& path, const SkMatrix* matrix, 70 const SkPaint&) SK_OVERRIDE; 71 virtual void drawPicture(SkPicture&) SK_OVERRIDE; 72 virtual void drawVertices(VertexMode vmode, int vertexCount, 73 const SkPoint vertices[], const SkPoint texs[], 74 const SkColor colors[], SkXfermode* xmode, 75 const uint16_t indices[], int indexCount, 76 const SkPaint&) SK_OVERRIDE; 77 virtual void drawData(const void* data, size_t length) SK_OVERRIDE; 78 79 virtual SkBounder* setBounder(SkBounder*) SK_OVERRIDE; 80 virtual SkDrawFilter* setDrawFilter(SkDrawFilter*) SK_OVERRIDE; 81 82 virtual void beginCommentGroup(const char* description) SK_OVERRIDE; 83 virtual void addComment(const char* kywd, const char* value) SK_OVERRIDE; 84 virtual void endCommentGroup() SK_OVERRIDE; 85 86 protected: 87 SkTDArray<SkCanvas*> fList; 88 89 class Iter; 90 91 private: 92 typedef SkCanvas INHERITED; 93 }; 94 95 96 #endif 97